... SpecificationsWhiteness meter except solution or liquid samples, others all can test, such as: powder, board, paper, paste, sheet, clay,etc. ... Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc.Application:This instrument based on the ... Digital Whiteness Meter (0-100%,LED display, touch panel, test paper, rice, flour, powder, paste)